BioMed Research International / 2018 / Article / Fig 2

Research Article

Thrombin Assessment on Nanostructured Label-Free Aptamer-Based Sensors: A Mapping Investigation via Surface-Enhanced Raman Spectroscopy

Figure 2

SERS mapping distribution of the thrombin-aptamer complex for the four investigated protein concentrations: (a) 87.3 nM; (b) 8.73 nM; (c) 0.873 nM; (d) 0.0873 nM.
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